A 37-year-old male asked:
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does viagra (sildenafil) 100mg 4 times per week has negative effect on sperm count and sperm motility causing asthenoteratospermia?

1 doctor answer
Dr. John Holden
34 years experience Fertility Medicine
Abnormal sperm: Absolutely not! viagra (as well as Levitra (vardenafil) and cialas) has no demonstrable impact on spermatogenesis. Get checked for a varicocele by a urologist. Even a small one can have a profound impact on the little critters!
Answered on Dec 10, 2015
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